Home / 931,883.56-1,397,750.08-257,977.20

Finding the Fourth Proportional to 931,883.56, 1,397,750.08 and 257,977.20

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Solution

The fourth proportional to 931,883.56, 1,397,750.08 and 257,977.20 is: 386,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,883.56 : 1,397,750.08 = 257,977.20 : x
  2. Step 2: Convert to fraction form
    931,883.56/1,397,750.08 = 257,977.20/x
  3. Step 3: Cross multiply
    931,883.56x = 1,397,750.08 × 257,977.20
  4. Step 4: Simplify right side
    931,883.56x = 360,587,651,938.18
  5. Step 5: Solve for x
    x = 360,587,651,938.18/931,883.56
  6. Step 6: Final answer
    x = 386,944.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.